Nickel base alloy has high alloy content,such as Cr ,Ni,Mo and so on, it has good comprehensive properties in high temperature and high corrosive environment ,such as:strong resistance to acid alkali corrosion ability;good resistance to high temperature corrosive,stress corrosion;some has good corrosion resistance in reducing medium and oxidation media.It is widely used in thermal power of the flue gas desulfurization device,waste water treatment;chemicals production of strong medium corrosion and harsh environment for chemical,petrochemical,marinedevelopment industry;heater;heat exchanger,evaporator,condenser and line manufacturing;nuclear electric power generation ,the comprehensive utilization of coal and tidal power in energy field;marine structures of marine environment desalination ,sea water heat exchange;sauce brewing,etc.